Shoe upper



FIG. 1 is a left side elevational view of a shoe upper, showing our new design, the broken lines indicating a shoe sole are shown for illustrative purposes only;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front view thereof; and

FIG. 5 is a rear view thereof. 

The ornamental design for a shoe upper, as shown and described. 